Eureka Nail & Cap Roofseal "2D Batteries" The shut-off valve has a

The shut-off valve has a compressed textile on the inside

Reverse Function : Yes

Available in a pre-measured bottle

Honey Badger’s friction-less opening and closing action

Eureka Nail & Cap Roofseal "2D Batteries" The shut-off valve has aEureka Nail & Cap Roofseal Product Description A rust resistant roofing nail with a waterproof nylon washer and cap as well as an EVA sealing washer. Combined, it results in an aesthetically pleasing and economical roofing fastener. Nail enters rafters without splitting the wood. EVA washer seals the nail hole in the sheeting. The nylon washer presses down on the EVA washer. Cap prevents any water or UV light from reaches the nail head. Cap is